During a State Department press conference 1 day after the 9/11 attacks, then Secretary of State Colin Powell avoids committing to action against Pakistan if evidence suggested a Pakistani role in the attacks. A short time later, Powell dismisses information provided by the government of India that Osama Bin Laden and Al Qaeda were using Pakistan as a staging area for activity carried out in neighboring Afghanistan. In fact, Pakistani support of modern militant Islam, accused 9/11 mastermind Osama Bin Laden and even the 9/11 attacks themselves is extensive: http://www.cooperativeresearch.org/searchResults.jsp?searchtext=Pakistan+&events=on&entities=on&articles=on&topics=on&timelines=on&projects=on&titles=on&descriptions=on&dosearch=on&search=Go